
16
㩷
Control specification
1.
Key and Switch
BUZZER :
In alarm condition, buzzer stops sounding with this key pressed.
Remote alarm output and alarm message would not be off.
During the power failure (battery back-up), press the key to show the
present temperature of PT sensor.
ALARM TEST :
With this key pressed to activate alarm test mode to be forcibly step into
alarm condition (ALARM lamp blinks, intermittent buzzer beeps, digital LED
goes off and remote alarm inputs).
After approx. 90seconds then, normal condition retrieves with Auto Return
function.
With the battery switch turns off, “E09” blinks on the display.
SET :
Press this key once to activate set mode (2
nd
digit in LED blinks), press the
key again to store the value to be changed.
With Key Lock setting mode (“L 0” or “L 1” is displayed), press the key to
store the value to be changed.
STATUS :
During STATUS lamp is lit, press this key to display status code among ‘- -
1’, ‘- - 2’ and ‘- - 3’.
During setting mode, the blinking digit shifts among the 1
st
digit or the 2
nd
digit or 3
rd
digit.
During setting mode, count the blinking digit up. In PV display, press the
key over 5 seconds to enter the function mode. (“F00” is displayed)
2. Temperature
control
Setting range : -50
㷄
~-90
㷄
Display range : -180
㷄
~+50
㷄
Setting procedure : Press SET key and set the required value with key and key.
Press SET key to store the set value.
Out of setting range : If you try to set the value which is out of temperature setting range, it is
unacceptable with buzzer beeps for 1second.
3. Temperature
alarm
Setting range : High temperature alarm … +5
㷄
~+20
㷄
(Initial setting: 10
㷄
)
Low temperature alarm …. -5
㷄
~-20
㷄
(initial setting: -10
㷄
)
Setting procedure : Keep pressing key over 5 seconds to enter function mode (F00).
Input “F01” for high temperature alarm or “F02” for low temperature
alarm. Press SET key to set the value to be changed with the 1
st
digit
blinks. Press SET key again to store the value in the non-volatile
memory.
Out of setting range : If you try to set the value which is out of alarm setting range, it is
unacceptable with buzzer beeps for 1 second.
4.
Key Lock mode and Function mode
A) Key Lock mode
Setting range :
0, 1
Setting procedure: In PV display, keep pressing key over 5 seconds to enter into Key
Lock mode. (“L_0” or “L_1” is displayed. initial: L_0) with “0” or “1” blinks.
Change the value with key and press SET key to store the value in
the non-volatile memory.
Содержание MDF-U53V
Страница 8: ...5 Dimensions ...
Страница 12: ...9 Components on PCB ...
Страница 16: ...13 㩷 Wiring Diagram 㩷 ...
Страница 17: ...14 ...
Страница 18: ...15 㩷 Circuit Diagram 㩷 ...
Страница 36: ...33 MDF U73V MDF U73VC MDF U53V MDF U53VC Ultra Low Temperature Freezer INSTRUCTION MANUAL MDF U73V MDF U73VC ...
Страница 44: ...41 8 FREEZER COMPONENTS 8 1 6 2 4 12 15 inside 14 5 3 11 9 10 7 5 inside 17 18 16 13 19 ...